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Cleanest way to toggle a boolean variable in Java?
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How to resize the AVD emulator (in Eclipse)?
...ng my first Android app for a small business that has some Droid phones. I set up an AVD for the phone with the right resolution: 854 pixels high.
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How to check if a variable is not null?
I know that below are the two ways in JavaScript to check whether a variable is not null , but I’m confused which is the best practice to use.
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Spring Data JPA - “No Property Found for Type” Exception
...the managed entity has a name field (and the Java Bean standard getter and setter for that field), defining the findByName method in the DAO interface will automatically generate the correct query:
public interface IFooDAO extends JpaRepository< Foo, Long >{
Foo findByName( final String ...
ActiveModel::ForbiddenAttributesError when creating new user
...V1::Person do
permit_params :name, :address, :etc
end
These need to be set along with those in the controller:
def api_v1_person_params
params.require(:api_v1_person).permit(:name, :address, :etc)
end
Otherwise you will get the error:
ActiveModel::ForbiddenAttributesError
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What are the differences between GPL v2 and GPL v3 licenses? [closed]
In simple terms, what are the reasons for, and what are the differences between the GPL v2 and GPL v3 open source licenses? Explanations and references to legal terms and further descriptions would be appreciated.
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How to clear a chart from a canvas so that hover events cannot be triggered?
...lems with this
First I tried .clear() then I tried .destroy() and I tried setting my chart reference to null
What finally fixed the issue for me: deleting the <canvas> element and then reappending a new <canvas> to the parent container
My specific code (obviously there's a million w...
kill -3 to get java thread dump
I am using kill -3 command to see the JVM's thread dump in unix. But where can I find the output of this kill command? I am lost!!
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Get a CSS value with JavaScript
I know I can set a CSS value through JavaScript such as:
9 Answers
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Does C# have an equivalent to JavaScript's encodeURIComponent()?
In JavaScript:
7 Answers
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